import axios from 'axios'
import { MessageBox, Message } from 'element-ui'
import store from '@/store'
import { getToken } from '@/utils/auth'

// create an axios instance
const service = axios.create({
  baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
  // withCredentials: true, // send cookies when cross-domain requests
  timeout: 300000 // request timeout
})
const whiteList = [
  /^\/admin\/system\/index\/login$/,    // 精确匹配登录接口
  /^\/admin\/system\/index\/getCaptcha/ // 匹配验证码接口（含参数）
];
// request interceptor
service.interceptors.request.use(
  config => {
    const isWhiteList = whiteList.some(regex => regex.test(config.url));
    console.log(`路径${isWhiteList ? '匹配' : '不匹配'}白名单:`, config.url);
    
    if (isWhiteList) return config;
    // do something before request is sent
    const a = sessionStorage.getItem('token')
    console.log(a);
    // console.log();
    if (a) {
      // let each request carry token
      // ['X-Token'] is a custom headers key
      // please modify it according to the actual situation
      config.headers['token'] = a
    }
    return config
  },
  error => {
    // do something with request error
    console.log(error) // for debug
    return Promise.reject(error)
  }
)

// response interceptor
service.interceptors.response.use(
  /**
   * If you want to get http information such as headers or status
   * Please return  response => response
  */

  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code
   */
  response => {
    console.log('%c当前环境VUE_APP_BASE_API:', 'color: red; font-weight: bold', process.env.VUE_APP_BASE_API);
    console.log('完整环境对象:', process.env);
    const res = response.data
    console.log(res);
    // 如果响应数据中没有 code 字段，直接返回响应数据
    if (res.code === undefined) {
      return res;
    }
    if (res.code == 20001) {
      Message({
        message: res.message,
        type: 'error',
      });
    }
    // if the custom code is not 200, it is judged as an error.
    if (res.code !== 200 && res.code !== 201) {  // Allow both 200 and 201 responses
      if (res.code === 209) {
        Message({
          message:'token已经过期，请重新登陆！',
          type: 'error',
          duration: 3 * 1000
        })
        sessionStorage.removeItem('token')
        sessionStorage.removeItem('role')
        setTimeout(() => {
          location.href='/'
        }, 500);
      }

      // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
      if (res.code === 50008 || res.code === 50012 || res.code === 50014) {
        // to re-login
        MessageBox.confirm('You have been logged out, you can cancel to stay on this page, or log in again', 'Confirm logout', {
          confirmButtonText: 'Re-Login',
          cancelButtonText: 'Cancel',
          type: 'warning'
        }).then(() => {
          store.dispatch('user/resetToken').then(() => {
            location.reload()
          })
        })
      }
      return Promise.reject(new Error(res.message || 'Error'))
    } else {
      return res
    }
  },
  error => {
    console.log('err' + error) // for debug
    Message({
      message: error.message,
      type: 'error',
      duration: 5 * 1000
    })
    return Promise.reject(error)
  }
)

export default service
